Registro DMARC
v=DMARC1;p=none;sp=none;fo=1;aspf=s;adkim=s;

Registro IPv4
host: ysu.edu.cn
class: IN
ttl: 21600
type: A
ip: 222.30.158.14

Servidores DNS Principal (mname) y Secundario (rname)
host: ysu.edu.cn
class: IN
ttl: 86400
type: SOA
mname: ysudns2.ysu.edu.cn
rname: root.ysudns2.ysu.edu.cn
serial: 21507
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: ysu.edu.cn
class: IN
ttl: 3600
type: MX
pri: 5
target: mailgw.ysu.edu.cn

Servidor de Correo
host: ysu.edu.cn
class: IN
ttl: 3600
type: MX
pri: 1
target: mx-ysu-edu-cn.icoremail.net

Información TXT
host: ysu.edu.cn
class: IN
ttl: 21600
type: TXT
txt: v=spf1 ip4:202.206.240.10 ip4:202.206.240.11 ip4:202.206.240.96 ip4:202.206.240.97 include:spf.icoremail.net -all
entries: Array

Registro IPv6
host: ysu.edu.cn
class: IN
ttl: 600
type: AAAA
ipv6: 2001:250:80c:ffff:ffff:ffff:de1e:9e0e